Slot Types

M2 Full 2 2 2 DIMMs Maximum Memory 48384 GB B440-M2 Full 4 PCIe adapters or internal storage resources Also based on Intel Xeon

I found something interesting Alan J T posted Sept 2020 Notation: Only one slot will support a SATA SSD drives Both will support PCIE M

m2_1 slot 2 or you want extra NVMe data storage you can purchase a PCIe to expansion card to add an additional Slot to your PC ATX motherboards have ample

m2 pcie 40 in 30 slot Insert the drive into the PCIe slot Connect the pins at a 30° angle Press the end down flush with the screw mount and fasten the screw